diff options
Diffstat (limited to 'drivers/char/ipmi/ipmi_si_platform.c')
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_platform.c | 73 |
1 files changed, 52 insertions, 21 deletions
diff --git a/drivers/char/ipmi/ipmi_si_platform.c b/drivers/char/ipmi/ipmi_si_platform.c index 15cf819f884f..54c7ded2a1ff 100644 --- a/drivers/char/ipmi/ipmi_si_platform.c +++ b/drivers/char/ipmi/ipmi_si_platform.c @@ -107,11 +107,11 @@ ipmi_get_info_from_resources(struct platform_device *pdev, res = platform_get_resource(pdev, IORESOURCE_IO, 0); if (res) { - io->addr_type = IPMI_IO_ADDR_SPACE; + io->addr_space = IPMI_IO_ADDR_SPACE; } else { res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res) - io->addr_type = IPMI_MEM_ADDR_SPACE; + io->addr_space = IPMI_MEM_ADDR_SPACE; } if (!res) { dev_err(&pdev->dev, "no I/O or memory address\n"); @@ -121,15 +121,13 @@ ipmi_get_info_from_resources(struct platform_device *pdev, io->regspacing = DEFAULT_REGSPACING; res_second = platform_get_resource(pdev, - (io->addr_type == IPMI_IO_ADDR_SPACE) ? + (io->addr_space == IPMI_IO_ADDR_SPACE) ? IORESOURCE_IO : IORESOURCE_MEM, 1); if (res_second) { if (res_second->start > io->addr_data) io->regspacing = res_second->start - io->addr_data; } - io->regsize = DEFAULT_REGSIZE; - io->regshift = 0; return res; } @@ -137,7 +135,7 @@ ipmi_get_info_from_resources(struct platform_device *pdev, static int platform_ipmi_probe(struct platform_device *pdev) { struct si_sm_io io; - u8 type, slave_addr, addr_source; + u8 type, slave_addr, addr_source, regsize, regshift; int rv; rv = device_property_read_u8(&pdev->dev, "addr-source", &addr_source); @@ -149,7 +147,7 @@ static int platform_ipmi_probe(struct platform_device *pdev) if (addr_source == SI_SMBIOS) { if (!si_trydmi) return -ENODEV; - } else { + } else if (addr_source != SI_HARDCODED) { if (!si_tryplatform) return -ENODEV; } @@ -169,11 +167,23 @@ static int platform_ipmi_probe(struct platform_device *pdev) case SI_BT: io.si_type = type; break; + case SI_TYPE_INVALID: /* User disabled this in hardcode. */ + return -ENODEV; default: dev_err(&pdev->dev, "ipmi-type property is invalid\n"); return -EINVAL; } + io.regsize = DEFAULT_REGSIZE; + rv = device_property_read_u8(&pdev->dev, "reg-size", ®size); + if (!rv) + io.regsize = regsize; + + io.regshift = 0; + rv = device_property_read_u8(&pdev->dev, "reg-shift", ®shift); + if (!rv) + io.regshift = regshift; + if (!ipmi_get_info_from_resources(pdev, &io)) return -EINVAL; @@ -193,8 +203,9 @@ static int platform_ipmi_probe(struct platform_device *pdev) io.dev = &pdev->dev; - pr_info("ipmi_si: SMBIOS: %s %#lx regsize %d spacing %d irq %d\n", - (io.addr_type == IPMI_IO_ADDR_SPACE) ? "io" : "mem", + pr_info("ipmi_si: %s: %s %#lx regsize %d spacing %d irq %d\n", + ipmi_addr_src_to_str(addr_source), + (io.addr_space == IPMI_IO_ADDR_SPACE) ? "io" : "mem", io.addr_data, io.regsize, io.regspacing, io.irq); ipmi_si_add_smi(&io); @@ -266,9 +277,9 @@ static int of_ipmi_probe(struct platform_device *pdev) io.irq_setup = ipmi_std_irq_setup; if (resource.flags & IORESOURCE_IO) - io.addr_type = IPMI_IO_ADDR_SPACE; + io.addr_space = IPMI_IO_ADDR_SPACE; else - io.addr_type = IPMI_MEM_ADDR_SPACE; + io.addr_space = IPMI_MEM_ADDR_SPACE; io.addr_data = resource.start; @@ -296,15 +307,10 @@ static int of_ipmi_probe(struct platform_device *dev) static int find_slave_address(struct si_sm_io *io, int slave_addr) { #ifdef CONFIG_IPMI_DMI_DECODE - if (!slave_addr) { - u32 flags = IORESOURCE_IO; - - if (io->addr_type == IPMI_MEM_ADDR_SPACE) - flags = IORESOURCE_MEM; - - slave_addr = ipmi_dmi_get_slave_addr(io->si_type, flags, + if (!slave_addr) + slave_addr = ipmi_dmi_get_slave_addr(io->si_type, + io->addr_space, io->addr_data); - } #endif return slave_addr; @@ -358,6 +364,9 @@ static int acpi_ipmi_probe(struct platform_device *pdev) goto err_free; } + io.regsize = DEFAULT_REGSIZE; + io.regshift = 0; + res = ipmi_get_info_from_resources(pdev, &io); if (!res) { rv = -EINVAL; @@ -419,9 +428,31 @@ static int ipmi_remove(struct platform_device *pdev) return ipmi_si_remove_by_dev(&pdev->dev); } +static int pdev_match_name(struct device *dev, void *data) +{ + struct platform_device *pdev = to_platform_device(dev); + const char *name = data; + + return strcmp(pdev->name, name) == 0; +} + +void ipmi_remove_platform_device_by_name(char *name) +{ + struct device *dev; + + while ((dev = bus_find_device(&platform_bus_type, NULL, name, + pdev_match_name))) { + struct platform_device *pdev = to_platform_device(dev); + + platform_device_unregister(pdev); + } +} + static const struct platform_device_id si_plat_ids[] = { - { "dmi-ipmi-si", 0 }, - { } + { "dmi-ipmi-si", 0 }, + { "hardcode-ipmi-si", 0 }, + { "hotmod-ipmi-si", 0 }, + { } }; struct platform_driver ipmi_platform_driver = { |